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User:SuperWIKI/sandbox/State deans (5)

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For senators and representatives who represented defunct parties or switched parties intra-term, only their latest party while in office is reflected. Most states, due to not having long-running deans until the 1900s, have tables only starting from that decade.

Massachusetts (TO CHECK)

[edit]
Senior members of Massachusetts's congressional delegation (1829–present)
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)
21st March 4, 1829
March 4, 1831

Nathaniel Silsbee[A]
Seniority from May 31, 1826[a]
(8 years, 276 days)
(retired)
Reed
(House)

Seniority from March 4, 1821
(19 years, 364 days)


John Reed Jr.[B][C]
Seniority from March 4, 1821[b]
(20 years, 0 days)
(retired)
22nd March 4, 1831
March 4, 1833
23rd March 4, 1833
March 4, 1835
24th March 4, 1835
March 4, 1837

Daniel Webster[D][A]
Seniority from June 8, 1827[c]
(13 years, 259 days)
(appointed Secretary of State)
25th March 4, 1837
March 4, 1839
26th March 4, 1839
February 22, 1841
February 22, 1841
March 4, 1841

Isaac C. Bates[A]
Seniority from January 13, 1841[a]
(4 years, 62 days)
(died)
27th March 4, 1841
March 4, 1843
Co-deans:
Adams, Briggs
(House)

Seniority from March 4, 1831
(11 years, 364 days)

Co-deans:

John Quincy Adams,
George N. Briggs

Seniority from March 4, 1831
(11 years, 364 days)
(Briggs retired)
28th March 4, 1843
March 4, 1845
Adams
(House)

Seniority from March 4, 1831
(16 years, 356 days)


John Quincy Adams[E]
Seniority from March 4, 1831
(16 years, 356 days)
(died)
29th March 4, 1845
March 16, 1845
March 16, 1845
March 4, 1847

Daniel Webster[F]
Seniority from March 4, 1845
(5 years, 140 days)
(appointed Secretary of State)
30th March 4, 1847
February 23, 1848
February 23, 1848
March 4, 1849
Hudson
(House)

Seniority from May 3, 1841
(7 years, 304 days)


Charles Hudson
Seniority from May 3, 1841[d]
(7 years, 304 days)
(lost re-election)
31st March 4, 1849
July 22, 1850
Winthrop[G]
(House and Senate)

Seniority from November 29, 1842
(8 years, 64 days)


Robert C. Winthrop[H][C]
Seniority from November 29, 1842[d]
(7 years, 243 days)
(appointed to Senate)
July 22, 1850
July 30, 1850

John Davis[I]
Seniority from March 24, 1845[a]
(7 years, 344 days)
(retired)
July 30, 1850
February 1, 1851

Julius Rockwell
Seniority from March 4, 1843
(7 years, 364 days)
(retired)[2]
February 1, 1851
March 4, 1851
Rockwell
(House)

Seniority from March 4, 1843
(7 years, 364 days)

32nd March 4, 1851
March 4, 1853
Davis
(Senate)

Seniority from March 24, 1845
(7 years, 344 days)


Horace Mann
Seniority from April 3, 1848[d]
(4 years, 334 days)
(retired)[3]
33rd March 4, 1853
March 4, 1855

Charles Sumner[J][K]
Seniority from April 25, 1851[c]
(22 years, 320 days)
(died)
Appleton
(House)

Seniority from March 4, 1851
(3 years, 364 days)


William Appleton
Seniority from March 4, 1851[e]
(3 years, 364 days)
(lost re-election)
34th March 4, 1855
March 4, 1857
Sumner
(Senate)

Seniority from April 25, 1851
(22 years, 320 days)

Co-deans:

Nathaniel P. Banks,[L]
Alexander De Witt

Seniority from March 4, 1853
(3 years, 364 days)
(De Witt lost re-election)[4]
35th March 4, 1857
December 24, 1857

Nathaniel P. Banks
Seniority from March 4, 1853
(4 years, 295 days)
(elected Massachusetts governor)
December 24, 1857
March 4, 1859

James Buffington
Seniority from March 4, 1855[e]
(3 years, 364 days)
(co-dean after retirements of
Chaffee, Comins, Damrell, and Hall)
36th March 4, 1859
March 4, 1861
Co-deans:

James Buffington,
Anson Burlingame

Seniority from March 4, 1855
(5 years, 364 days)
(Burlingame lost re-election)
37th March 4, 1861
March 4, 1863

James Buffington
Seniority from March 4, 1855
(7 years, 364 days)
(retired)
38th March 4, 1863
March 4, 1865

Henry L. Dawes[M]
Seniority from March 4, 1857
(17 years, 364 days)
(elected to Senate)
39th March 4, 1865
March 4, 1867
40th March 4, 1867
March 4, 1869
41st March 4, 1869
March 4, 1871
42nd March 4, 1871
March 4, 1873
43rd March 4, 1873
March 11, 1874
March 11, 1874
March 4, 1875

George S. Boutwell[A]
Seniority from March 17, 1873[a]
(3 years, 351 days)
(lost renomination)
Dawes
(House and Senate)

Seniority from March 4, 1857
(35 years, 364 days)

44th March 4, 1875
March 7, 1875

James Buffington[N]
Seniority from March 4, 1869[b]
(6 years, 3 days)
(died)
March 7, 1875
March 4, 1877

George F. Hoar
Seniority from March 4, 1869
(7 years, 364 days)
(elected to Senate)
45th March 4, 1877
March 4, 1879

Henry L. Dawes[A]
Seniority from March 4, 1875
(17 years, 364 days)
(retired)

Benjamin W. Harris
Seniority from March 4, 1873
(9 years, 364 days)
(retired)
46th March 4, 1879
March 4, 1881
47th March 4, 1881
March 4, 1883
48th March 4, 1883
January 7, 1884

Leopold Morse
Seniority from March 4, 1877[e]
(6 years, 309 days)
(co-dean after Robinson
became Massachusetts governor)
January 7, 1884
March 4, 1885
Co-deans:

Leopold Morse (D),
William W. Rice (R)
Seniority from March 4, 1877
(7 years, 364 days)
(Morse retired)
49th March 4, 1885
March 4, 1887

William W. Rice
Seniority from March 4, 1877
(9 years, 364 days)
(retired)[5]
50th March 4, 1887
March 4, 1889

Patrick Collins
Seniority from March 4, 1883[e]
(5 years, 364 days)
(retired)
51st March 4, 1889
March 4, 1891

Francis W. Rockwell
Seniority from January 17, 1884[d]
(7 years, 45 days)
(lost re-election)
52nd March 4, 1891
March 4, 1893
Co-deans:

William Cogswell,
Henry Cabot Lodge

Seniority from March 4, 1887
(5 years, 364 days)
(Lodge elected to Senate)
53rd March 4, 1893
March 4, 1895

George F. Hoar[A]
Seniority from March 4, 1877
(27 years, 210 days)
(died)
Hoar
(House and Senate)

Seniority from March 4, 1869
(35 years, 210 days)


William Cogswell
Seniority from March 4, 1887
(8 years, 79 days)
(died)
54th March 4, 1895
May 22, 1895
May 22, 1895
March 4, 1897
Co-deans:

Elijah A. Morse,
Joseph H. Walker

Seniority from March 4, 1889
(7 years, 364 days)
(Morse retired)
55th March 4, 1897
March 4, 1899

Joseph H. Walker
Seniority from March 4, 1889
(9 years, 364 days)
(lost re-election)
56th March 4, 1899
March 4, 1901
Co-deans:

Frederick H. Gillett,
Samuel W. McCall

Seniority from March 4, 1893
(19 years, 364 days)
(McCall ran for Senate)
57th March 4, 1901
March 4, 1903
58th March 4, 1903
September 30, 1904
September 30, 1904
March 4, 1905

Henry Cabot Lodge[O][A]
Seniority from March 4, 1893
(31 years, 250 days)
(died)
Lodge
(House and Senate)

Seniority from March 4, 1887
(37 years, 250 days)

59th March 4, 1905
March 4, 1907
60th March 4, 1907
March 4, 1909
61st March 4, 1909
March 4, 1911
62nd March 4, 1911
March 4, 1913
63rd March 4, 1913
March 4, 1915

Frederick H. Gillett[P]
Seniority from March 4, 1893
(31 years, 364 days)
(elected to Senate)
64th March 4, 1915
March 4, 1917
65th March 4, 1917
March 4, 1919
66th March 4, 1919
March 4, 1921
67th March 4, 1921
March 4, 1923
68th March 4, 1923
November 9, 1924
November 9, 1924
March 4, 1925

David I. Walsh
Seniority from March 4, 1919
(5 years, 364 days)
(lost re-election)
Gillett
(House and Senate)

Seniority from March 4, 1893
(37 years, 364 days)

69th March 4, 1925
March 28, 1925

William M. Butler
Seniority from November 13, 1924[f]
(2 years, 23 days)
(lost election to finish term)
Co-deans:

John J. Rogers,
Allen T. Treadway

Seniority from March 4, 1913
(12 years, 24 days)
(Rogers died)
March 28, 1925
December 6, 1926

Allen T. Treadway
Seniority from March 4, 1913
(31 years, 305 days)
(retired)
December 6, 1926
March 4, 1927

Frederick H. Gillett[A]
Seniority from March 4, 1925
(5 years, 364 days)
(retired)
70th March 4, 1927
March 4, 1929
71st March 4, 1929
March 4, 1931
72nd March 4, 1931
March 4, 1933

David I. Walsh[F]
Seniority from December 6, 1926[g]
(20 years, 28 days)
(lost re-election)
Treadway
(House)

Seniority from March 4, 1913
(31 years, 305 days)

73rd March 4, 1933
January 3, 1935
74th January 3, 1935
January 3, 1937
75th January 3, 1937
January 3, 1939
76th January 3, 1939
January 3, 1941
77th January 3, 1941
January 3, 1943
78th January 3, 1943
January 3, 1945
79th January 3, 1945
January 3, 1947
Gifford
(House)

Seniority from November 7, 1922
(24 years, 289 days)


Charles L. Gifford
Seniority from November 7, 1922[d]
(24 years, 289 days)
(died)
80th January 3, 1947
August 23, 1947

Leverett Saltonstall
Seniority from January 4, 1945[h][g]
(21 years, 364 days)
(retired)
August 23, 1947
January 3, 1949
Martin
(House)

Seniority from March 4, 1925
(41 years, 305 days)


Joseph W. Martin Jr.[Q]
Seniority from March 4, 1925
(41 years, 305 days)
(lost renomination)
81st January 3, 1949
January 3, 1951
82nd January 3, 1951
January 3, 1953
83rd January 3, 1953
January 3, 1955
84th January 3, 1955
January 3, 1957
85th January 3, 1957
January 3, 1959
86th January 3, 1959
January 3, 1961
87th January 3, 1961
January 3, 1963
88th January 3, 1963
January 3, 1965
89th January 3, 1965
January 3, 1967
90th January 3, 1967
January 3, 1969

Ted Kennedy
Seniority from November 7, 1962[g]
(46 years, 291 days)
(died)
McCormack
(House)

Seniority from November 6, 1928
(42 years, 58 days)


John W. McCormack[R]
Seniority from November 6, 1928[d]
(42 years, 58 days)
(retired)
91st January 3, 1969
January 3, 1971
92nd January 3, 1971
January 3, 1973
Donohue
(House)

Seniority from January 3, 1947
(27 years, 362 days)


Harold Donohue
Seniority from January 3, 1947
(27 years, 362 days)
(resigned)
93rd January 3, 1973
December 31, 1974
December 31, 1974
January 3, 1975
Co-deans:
Boland, O'Neill
(House)

Seniority from January 3, 1953
(34 years, 0 days)

Co-deans:

Edward Boland,
Tip O'Neill
[S]
Seniority from January 3, 1953
(34 years, 0 days)
(O'Neill retired)
94th January 3, 1975
January 3, 1977
95th January 3, 1977
January 3, 1979
96th January 3, 1979
January 3, 1981
97th January 3, 1981
January 3, 1983
98th January 3, 1983
January 3, 1985
99th January 3, 1985
January 3, 1987
100th January 3, 1987
January 3, 1989
Boland
(House)

Seniority from January 3, 1953
(36 years, 0 days)


Edward Boland
Seniority from January 3, 1953
(36 years, 0 days)
(retired)
101st January 3, 1989
January 3, 1991
Conte
(House)

Seniority from January 3, 1959
(32 years, 36 days)


Silvio O. Conte
Seniority from January 3, 1959
(32 years, 36 days)
(died)
102nd January 3, 1991
February 8, 1991
February 8, 1991
January 3, 1993
Kennedy
(Senate)

Seniority from November 7, 1962
(46 years, 291 days)

Co-deans:

Joe Moakley,
Gerry Studds

Seniority from January 3, 1973
(24 years, 0 days)
(Studds retired)
103rd January 3, 1993
January 3, 1995
104th January 3, 1995
January 3, 1997
105th January 3, 1997
January 3, 1999

Joe Moakley
Seniority from January 3, 1973
(28 years, 145 days)
(died)
106th January 3, 1999
January 3, 2001
107th January 3, 2001
May 28, 2001
May 28, 2001
January 3, 2003

Ed Markey
Seniority from November 2, 1976[d]
(36 years, 255 days)
(elected to Senate)
108th January 3, 2003
January 3, 2005
109th January 3, 2005
January 3, 2007
110th January 3, 2007
January 3, 2009
111th January 3, 2009
August 25, 2009
August 25, 2009
January 3, 2011

John Kerry
Seniority from January 2, 1985[f]
(28 years, 30 days)
(appointed Secretary of State)
Markey[G]
(House and Senate)

Seniority from November 2, 1976
(48 years, 20 days)

112th January 3, 2011
January 3, 2013
113th January 3, 2013
February 1, 2013
February 1, 2013
July 15, 2013

Elizabeth Warren
Seniority from January 3, 2013
(11 years, 324 days)
(Incumbent)
July 15, 2013
January 3, 2015

Richard Neal
Seniority from January 3, 1989
(35 years, 324 days)
(Incumbent)
114th January 3, 2015
January 3, 2017
115th January 3, 2017
January 3, 2019
116th January 3, 2019
January 3, 2021
117th January 3, 2021
January 3, 2023
118th January 3, 2023
January 3, 2025
119th January 3, 2025
present
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)

Michigan

[edit]
Senior members of Michigan's congressional delegation
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean(s)
(Combined seniority
and tenure)
House dean(s)
(Seniority and tenure)
(Cause of departure)
24th January 26, 1837
March 4, 1837

Lucius Lyon[T]
Seniority from January 26, 1837[i]
(2 years, 36 days)
(retired)
Lyon
(Senate)

Seniority from January 26, 1837[j]
(2 years, 36 days)


Isaac E. Crary[U]
Seniority from January 26, 1837
(4 years, 36 days)
(retired)
25th March 4, 1837
March 4, 1839
26th March 4, 1839
January 20, 1840

John Norvell
Seniority from January 26, 1837
(4 years, 36 days)
(retired)
No clear dean[k]
January 20, 1840
March 4, 1841
Co-deans:
Norvell (Senate)
Crary (House)

Seniority from January 26, 1837
(4 years, 36 days)

27th March 4, 1841
March 4, 1843

Augustus Porter
Seniority from January 20, 1840[c]
(5 years, 42 days)
(retired)
Porter
(Senate)

Seniority from January 20, 1840
(5 years, 42 days)


Jacob M. Howard[U]
Seniority from March 4, 1841
(1 year, 364 days)
(lost re-election)
28th March 4, 1843
March 4, 1845

Lucius Lyon[V]
Seniority from March 4, 1843[b]
(1 year, 364 days)
(retired)[6]
29th March 4, 1845
March 4, 1847

William Woodbridge[T]
Seniority from March 4, 1841
(5 years, 364 days)
(retired)
Woodbridge
(Senate)

Seniority from March 4, 1841
(5 years, 364 days)

Co-deans:

James B. Hunt,
Robert McClelland
Seniority from March 4, 1843
(3 years, 364 days)
(Hunt retired)
30th March 4, 1847
May 29, 1848

Lewis Cass
Seniority from March 4, 1845
(3 years, 86 days)
(ran for President)[7]
McClelland
(House)

Seniority from March 4, 1843
(5 years, 364 days)


Robert McClelland
Seniority from March 4, 1843
(5 years, 364 days)
(retired)[8]
May 29, 1848
March 4, 1849

Alpheus Felch
Seniority from March 4, 1847
(5 years, 364 days)
(retired)
31st March 4, 1849
March 4, 1851
Co-deans:
Felch (Senate)
Bingham (House)

Seniority from March 4, 1847
(3 years, 364 days)


Kinsley Bingham
Seniority from March 4, 1847
(3 years, 364 days)
(retired)[9]
32nd March 4, 1851
March 4, 1853
Felch
(Senate)

Seniority from March 4, 1847
(5 years, 364 days)


Charles E. Stuart
Seniority from March 4, 1851[b]
(1 year, 364 days)
(elected to Senate)
33rd March 4, 1853
March 4, 1855

Lewis Cass[F][W]
Seniority from March 4, 1849[a]
(7 years, 364 days)
(retired)
Cass
(Senate)

Seniority from March 4, 1849
(7 years, 364 days)


Samuel Clark
Seniority from March 4, 1853[b]
(1 year, 364 days)
(lost re-election)
34th March 4, 1855
March 4, 1857
No clear dean[l][m]
35th March 4, 1857
March 4, 1859

Charles E. Stuart[X][A]
Seniority from March 4, 1853
(5 years, 364 days)
(retired)
Stuart
(House and Senate)

Seniority from March 4, 1851
(7 years, 364 days)


William A. Howard
Seniority from March 4, 1855[e]
(3 years, 364 days)
(retired)[10]
36th March 4, 1859
March 4, 1861

Zachariah Chandler[Y]
Seniority from March 4, 1857
(17 years, 364 days)
(lost re-election)
Waldron
(House)

Seniority from March 4, 1855
(5 years, 364 days)


Henry Waldron
Seniority from March 4, 1855
(5 years, 364 days)
(retired)[11]
37th March 4, 1861
March 4, 1863
Chandler
(Senate)

Seniority from March 4, 1857
(17 years, 364 days)


Francis W. Kellogg
Seniority from March 4, 1859
(5 years, 364 days)
(retired)
38th March 4, 1863
March 4, 1865
39th March 4, 1865
March 4, 1867

Fernando C. Beaman
Seniority from March 4, 1861
(9 years, 364 days)
(retired)[12]
40th March 4, 1867
March 4, 1869
41st March 4, 1869
March 4, 1871
42nd March 4, 1871
March 4, 1873

Austin Blair
Seniority from March 4, 1867
(5 years, 364 days)
(ran for Michigan governor)[13]
43rd March 4, 1873
March 4, 1875

Omar D. Conger
Seniority from March 4, 1869
(11 years, 364 days)
(elected to Senate)[14]
44th March 4, 1875
March 4, 1877

Thomas W. Ferry[Z][A]
Seniority from March 4, 1871
(11 years, 364 days)
(lost re-election)
Ferry
(House and Senate)

Seniority from March 4, 1865
(17 years, 364 days)

45th March 4, 1877
March 4, 1879
46th March 4, 1879
March 4, 1881
47th March 4, 1881
March 4, 1883

Jay Hubbell
Seniority from March 4, 1873
(9 years, 364 days)
(retired)
48th March 4, 1883
March 4, 1885

Omar D. Conger[A]
Seniority from March 4, 1881
(5 years, 364 days)
(lost renomination)[14]
Conger
(House and Senate)

Seniority from March 4, 1869
(17 years, 364 days)


Roswell G. Horr
Seniority from March 4, 1879
(5 years, 364 days)
(lost re-election)[15]
49th March 4, 1885
March 4, 1887

Ezra C. Carleton
Seniority from March 4, 1883[e]
(3 years, 364 days)
(retired)
50th March 4, 1887
March 4, 1889

Thomas W. Palmer
Seniority from March 4, 1883
(5 years, 364 days)
(retired)[16]
Co-deans:
Palmer (Senate)
Cutcheon (House)

Seniority from March 4, 1883
(5 years, 364 days)


Byron M. Cutcheon
Seniority from March 4, 1883
(7 years, 364 days)
(lost re-election)[17]
51st March 4, 1889
March 4, 1891

Francis B. Stockbridge
Seniority from March 4, 1887
(7 years, 57 days)
(died)
Cutcheon
(House)

Seniority from March 4, 1883
(7 years, 364 days)

52nd March 4, 1891
March 4, 1893
Burrows
(House and Senate)

Seniority from March 4, 1885
(25 years, 364 days)


Julius C. Burrows[C]
Seniority from March 4, 1885[b]
(9 years, 325 days)
(elected to Senate)
53rd March 4, 1893
April 30, 1894
April 30, 1894
January 24, 1895

James McMillan
Seniority from March 4, 1889
(13 years, 159 days)
(died)
January 24, 1895
March 4, 1895

Justin Rice Whiting
Seniority from March 4, 1887
(7 years, 364 days)

(retired)
54th March 4, 1895
March 4, 1897

Samuel M. Stephenson
Seniority from March 4, 1889
(7 years, 364 days)
(retired)
55th March 4, 1897
March 4, 1899

Roswell P. Bishop
Seniority from March 4, 1895[e]
(6 years, 58 days)
(co-dean after Crump's
death)
56th March 4, 1899
March 4, 1901
57th March 4, 1901
May 1, 1901
May 1, 1901
August 10, 1902
Co-deans:

Roswell P. Bishop
John B. Corliss

Seniority from March 4, 1895
(7 years, 364 days)
(Corliss lost re-election)[18]
August 10, 1902
March 4, 1903

Julius C. Burrows[A]
Seniority from January 24, 1895[a]
(16 years, 38 days)
(lost renomination)[19]
58th March 4, 1903
March 4, 1905

Roswell P. Bishop
Seniority from March 4, 1895
(11 years, 364 days)
(lost renomination)[20]
59th March 4, 1905
March 4, 1907
60th March 4, 1907
March 4, 1909
Co-deans:

Edward L. Hamilton,
Samuel W. Smith

Seniority from March 4, 1897
(17 years, 364 days)
(Smith retired)[21]
61st March 4, 1909
March 4, 1911
62nd March 4, 1911
March 4, 1913

William Alden Smith[A]
Seniority from February 6, 1907[a][22]
(12 years, 25 days)
(retired)
W. Smith
(House and Senate)

Seniority from March 4, 1895
(23 years, 364 days)

63rd March 4, 1913
March 4, 1915
64th March 4, 1915
March 4, 1917

Edward L. Hamilton
Seniority from March 4, 1897
(23 years, 364 days)
(retired)[23]
65th March 4, 1917
March 4, 1919
66th March 4, 1919
March 4, 1921

Charles E. Townsend[A]
Seniority from March 4, 1911
(11 years, 364 days)
(lost re-election)
Hamilton
(House)

Seniority from March 4, 1897
(23 years, 364 days)

67th March 4, 1921
March 4, 1923
Fordney
(House)

Seniority from March 4, 1899
(23 years, 364 days)


Joseph W. Fordney
Seniority from March 4, 1899
(23 years, 364 days)
(retired)
68th March 4, 1923
March 4, 1925

James Couzens
Seniority from November 29, 1922[f]
(13 years, 328 days)
(died)
McLaughlin
(House)

Seniority from March 4, 1907
(25 years, 270 days)


James C. McLaughlin
Seniority from March 4, 1907
(25 years, 270 days)
(died)
69th March 4, 1925
March 4, 1927
70th March 4, 1927
March 4, 1929
71st March 4, 1929
March 4, 1931
72nd March 4, 1931
November 29, 1932
November 29, 1932
March 4, 1933
Mapes
(House)

Seniority from March 4, 1913
(26 years, 283 days)


Carl E. Mapes
Seniority from March 4, 1913
(26 years, 283 days)
(died)
73rd March 4, 1933
January 3, 1935
74th January 3, 1935
October 22, 1936
October 22, 1936
January 3, 1937

Arthur Vandenberg[AA]
Seniority from March 31, 1928[f]
(23 years, 18 days)
(died)
75th January 3, 1937
January 3, 1939
76th January 3, 1939
December 12, 1939
December 12, 1939
January 3, 1941
Woodruff
(House)

Seniority from March 4, 1921
(31 years, 305 days)


Roy O. Woodruff[C]
Seniority from March 4, 1921
(31 years, 305 days)
(retired)
77th January 3, 1941
January 3, 1943
78th January 3, 1943
January 3, 1945
79th January 3, 1945
January 3, 1947
80th January 3, 1947
January 3, 1949
81st January 3, 1949
January 3, 1951
82nd January 3, 1951
April 18, 1951
April 18, 1951
January 3, 1953

Homer S. Ferguson
Seniority from January 3, 1943
(12 years, 0 days)
(lost re-election)
83rd January 3, 1953
January 3, 1955
Wolcott
(House)

Seniority from March 4, 1931
(25 years, 305 days)


Jesse P. Wolcott
Seniority from March 4, 1931
(25 years, 305 days)
(retired)
84th January 3, 1955
January 3, 1957

Charles E. Potter[A]
Seniority from November 5, 1952[g]
(6 years, 59 days)
(lost re-election)
85th January 3, 1957
January 3, 1959
Hoffman
(House)

Seniority from January 3, 1935
(28 years, 0 days)


Clare Hoffman
Seniority from January 3, 1935
(28 years, 0 days)
(retired)
86th January 3, 1959
January 3, 1961

Patrick V. McNamara
Seniority from January 3, 1955
(11 years, 117 days)
(died)
87th January 3, 1961
January 3, 1963
88th January 3, 1963
August 9, 1964
Bennett
(House)

Seniority from January 3, 1947
(17 years, 219 days)


John B. Bennett[C]
Seniority from January 3, 1947
(17 years, 219 days)
(died)
August 9, 1964
January 3, 1965
Ford
(House)

Seniority from January 3, 1949
(24 years, 337 days)


Gerald Ford[AB]
Seniority from January 3, 1949
(24 years, 337 days)
(became Vice President)
89th January 3, 1965
April 30, 1966
April 30, 1966
January 3, 1967

Philip Hart
Seniority from January 3, 1959
(17 years, 358 days)
(died)
90th January 3, 1967
January 3, 1969
91st January 3, 1969
January 3, 1971
92nd January 3, 1971
January 3, 1973
93rd January 3, 1973
December 6, 1973
December 6, 1973
January 3, 1975
Cederberg
(House)

Seniority from January 3, 1953
(25 years, 362 days)


Al Cederberg
Seniority from January 3, 1953
(25 years, 362 days)
(resigned)
94th January 3, 1975
December 26, 1976
December 26, 1976
January 3, 1977

Robert P. Griffin[A]
Seniority from May 11, 1966[f]
(12 years, 237 days)
(lost re-election)
95th January 3, 1977
December 31, 1978
December 31, 1978
January 3, 1979
Diggs
(House)

Seniority from January 3, 1955
(25 years, 152 days)


Charles Diggs
Seniority from January 3, 1955
(25 years, 152 days)
(resigned)
96th January 3, 1979
June 3, 1980

Donald Riegle[A]
Seniority from December 30, 1976[f]
(18 years, 4 days)
(retired)
June 3, 1980
January 3, 1981
Dingell
(House)

Seniority from December 13, 1955
(59 years, 21 days)


John Dingell[AC]
Seniority from December 13, 1955[d]
(59 years, 21 days)
(retired)
97th January 3, 1981
January 3, 1983
98th January 3, 1983
January 3, 1985
99th January 3, 1985
January 3, 1987
100th January 3, 1987
January 3, 1989
101st January 3, 1989
January 3, 1991
102nd January 3, 1991
January 3, 1993
103rd January 3, 1993
January 3, 1995
104th January 3, 1995
January 3, 1997

Carl Levin
Seniority from January 3, 1979
(36 years, 0 days)
(retired)
105th January 3, 1997
January 3, 1999
106th January 3, 1999
January 3, 2001
107th January 3, 2001
January 3, 2003
108th January 3, 2003
January 3, 2005
109th January 3, 2005
January 3, 2007
110th January 3, 2007
January 3, 2009
111th January 3, 2009
January 3, 2011
112th January 3, 2011
January 3, 2013
113th January 3, 2013
January 3, 2015
114th January 3, 2015
January 3, 2017

Debbie Stabenow[A]
Seniority from January 3, 2001
(24 years, 0 days)
(retired)
Conyers
(House)

Seniority from January 3, 1965
(52 years, 336 days)


John Conyers[AD]
Seniority from January 3, 1965
(52 years, 336 days)
(resigned)
115th January 3, 2017
December 5, 2017
December 5, 2017
January 3, 2019
Levin
(House)

Seniority from January 3, 1983
(36 years, 0 days)


Sander Levin
Seniority from January 3, 1983
(36 years, 0 days)
(retired)
116th January 3, 2019
January 3, 2021
Upton
(House)

Seniority from January 3, 1987
(36 years, 0 days)


Fred Upton
Seniority from January 3, 1987
(36 years, 0 days)
(retired)
117th January 3, 2021
January 3, 2023
118th January 3, 2023
January 3, 2025
Stabenow
(House and Senate)

Seniority from January 3, 1997
(28 years, 0 days)


Tim Walberg
Seniority from January 3, 2011[b]
(13 years, 324 days)
(Incumbent)
119th January 3, 2025
present

Gary Peters[A]
Seniority from January 3, 2015
(9 years, 324 days)
(Incumbent)
Peters
(House and Senate)

Seniority from January 3, 2009
(15 years, 324 days)

Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean(s)
(Combined seniority
and tenure)
House dean(s)
(Seniority and tenure)
(Cause of departure)

Minnesota

[edit]
Senior members of Minnesota's congressional delegation
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)
35th May 11, 1858
March 4, 1859

James Shields
Seniority from May 11, 1858[n]
(296 days)
(lost re-election)[24]
Shields
(Senate)

Seniority from May 11, 1858[o]
(296 days)


James M. Cavanaugh[T]
Seniority from May 11, 1858[p]
(296 days)
(lost re-election)[25]
36th March 4, 1859
March 4, 1861

Henry M. Rice[T]
Seniority from May 11, 1858
(4 years, 296 days)
(retired)
Rice
(Senate)

Seniority from May 11, 1858
(4 years, 296 days)

No clear dean[l][q]
37th March 4, 1861
March 4, 1863
38th March 4, 1863
March 4, 1865

Morton S. Wilkinson
Seniority from March 4, 1859
(5 years, 364 days)
(lost re-election)[26]
Co-deans:
Wilkinson (Senate)
Windom (House)

Seniority from March 4, 1859
(5 years, 364 days)


William Windom
Seniority from March 4, 1859
(9 years, 364 days)
(retired)
39th March 4, 1865
March 4, 1867

Alexander Ramsey[A]
Seniority from March 4, 1863
(11 years, 364 days)
(retired)
Windom
(House)

Seniority from March 4, 1859
(9 years, 364 days)

40th March 4, 1867
March 4, 1869
41st March 4, 1869
March 4, 1871
Ramsey
(Senate)

Seniority from March 4, 1863
(11 years, 364 days)

No clear dean[l][r]
42nd March 4, 1871
March 4, 1873
43rd March 4, 1873
March 4, 1875
44th March 4, 1875
March 4, 1877

William Windom[I][A]
Seniority from March 4, 1871
(10 years, 3 days)
(appointed Secretary of the
Treasury
)
Co-deans:
Windom[AE] (Senate)
Dunnell (House)

Seniority from March 4, 1871
(10 years, 3 days)


Mark H. Dunnell
Seniority from March 4, 1871
(11 years, 364 days)
(ran for Senate)
45th March 4, 1877
March 4, 1879
46th March 4, 1879
March 4, 1881
47th March 4, 1881
March 7, 1881
March 7, 1881
March 4, 1883

Samuel J. R. McMillan
Seniority from March 4, 1875
(11 years, 364 days)
(retired)
Dunnell
(House)

Seniority from March 4, 1871
(11 years, 364 days)

48th March 4, 1883
March 4, 1885
McMillan
(Senate)

Seniority from March 4, 1875
(11 years, 364 days)


William D. Washburn
Seniority from March 4, 1879
(5 years, 364 days)
(lost renomination)
49th March 4, 1885
March 4, 1887

Horace B. Strait[C]
Seniority from March 4, 1881
(5 years, 364 days)
(retired)
50th March 4, 1887
March 4, 1889

Dwight M. Sabin
Seniority from March 4, 1883
(5 years, 364 days)
(lost renomination)
Co-deans:
Sabin (Senate)
Nelson (House)

Seniority from March 4, 1883
(5 years, 364 days)


Knute Nelson
Seniority from March 4, 1883
(5 years, 364 days)
(retired)
51st March 4, 1889
March 4, 1891

Cushman K. Davis
Seniority from March 4, 1887
(13 years, 268 days)
(died)
Co-deans:
C. K. Davis (Senate)
Lind (House)

Seniority from March 4, 1887
(5 years, 364 days)


John Lind
Seniority from March 4, 1887
(5 years, 364 days)
(retired)
52nd March 4, 1891
March 4, 1893
53rd March 4, 1893
March 4, 1895
C. K. Davis
(Senate)

Seniority from March 4, 1887
(13 years, 268 days)


Osee M. Hall
Seniority from March 4, 1891
(3 years, 364 days)
(lost re-election)[27]
54th March 4, 1895
March 4, 1897

Loren Fletcher
Seniority from March 4, 1893[e]
(9 years, 364 days)
(lost re-election)[28]
55th March 4, 1897
March 4, 1899
56th March 4, 1899
November 27, 1900
November 27, 1900
March 4, 1901

Knute Nelson[A]
Seniority from March 4, 1895
(28 years, 55 days)
(died)
Fletcher
(House)

Seniority from March 4, 1893
(9 years, 364 days)

57th March 4, 1901
March 4, 1903
58th March 4, 1903
March 4, 1905
Co-deans:
McCleary, Tawney
(House)

Seniority from March 4, 1893
(13 years, 364 days)

Co-deans:

James McCleary,
James A. Tawney

Seniority from March 4, 1893
(13 years, 364 days)
(McCleary lost re-election)[29]
59th March 4, 1905
March 4, 1907
60th March 4, 1907
March 4, 1909
Tawney
(House)

Seniority from March 4, 1893
(17 years, 364 days)


James A. Tawney
Seniority from March 4, 1893
(17 years, 364 days)
(lost re-election)[30]
61st March 4, 1909
March 4, 1911
62nd March 4, 1911
March 4, 1913
Nelson[AE]
(Senate)

Seniority from March 4, 1895
(28 years, 55 days)


Frederick C. Stevens
Seniority from March 4, 1897
(17 years, 364 days)
(lost re-election)
63rd March 4, 1913
March 4, 1915
64th March 4, 1915
March 4, 1917

Charles R. Davis
Seniority from March 4, 1903[e]
(21 years, 364 days)
(lost renomination)
65th March 4, 1917
March 4, 1919
66th March 4, 1919
March 4, 1921
67th March 4, 1921
March 4, 1923
68th March 4, 1923
April 28, 1923
April 28, 1923
March 4, 1925

Henrik Shipstead[AF]
Seniority from March 4, 1923
(23 years, 305 days)
(lost renomination)
C. R. Davis
(House)

Seniority from March 4, 1903
(21 years, 364 days)

69th March 4, 1925
March 4, 1927
Schall[G]
(House and Senate)

Seniority from March 4, 1915
(20 years, 293 days)


Harold Knutson
Seniority from March 4, 1917
(31 years, 305 days)
(lost re-election)
70th March 4, 1927
March 4, 1929
71st March 4, 1929
March 4, 1931
72nd March 4, 1931
March 4, 1933
73rd March 4, 1933
January 3, 1935
74th January 3, 1935
December 22, 1935
December 22, 1935
January 3, 1937
Knutson
(House)

Seniority from March 4, 1917
(31 years, 305 days)

75th January 3, 1937
January 3, 1939
76th January 3, 1939
January 3, 1941
77th January 3, 1941
January 3, 1943
78th January 3, 1943
January 3, 1945
79th January 3, 1945
January 3, 1947
80th January 3, 1947
January 3, 1949

Joseph H. Ball[I]
Seniority from January 3, 1943
(6 years, 0 days)
(lost re-election)
81st January 3, 1949
January 3, 1951

Edward J. Thye
Seniority from January 3, 1947
(12 years, 0 days)
(lost re-election)
Andresen
(House)

Seniority from January 3, 1935
(23 years, 11 days)


August H. Andresen[C]
Seniority from January 3, 1935
(23 years, 11 days)
(died)
82nd January 3, 1951
January 3, 1953
83rd January 3, 1953
January 3, 1955
84th January 3, 1955
January 3, 1957
85th January 3, 1957
January 14, 1958
January 14, 1958
January 3, 1959
Andersen
(House)

Seniority from January 3, 1939
(28 years, 0 days)


H. Carl Andersen
Seniority from January 3, 1939
(28 years, 0 days)
(lost renomination)
86th January 3, 1959
January 3, 1961

Hubert Humphrey
Seniority from January 3, 1949
(15 years, 361 days)
(elected Vice President)
87th January 3, 1961
January 3, 1963
88th January 3, 1963
December 29, 1964
Blatnik
(House)

Seniority from January 3, 1947
(27 years, 362 days)


John Blatnik
Seniority from January 3, 1947
(27 years, 362 days)
(resigned)
December 29, 1964
January 3, 1965

Eugene McCarthy[A]
Seniority from January 3, 1959
(12 years, 0 days)
(retired)
89th January 3, 1965
January 3, 1967
90th January 3, 1967
January 3, 1969
91st January 3, 1969
January 3, 1971
92nd January 3, 1971
January 3, 1973

Walter Mondale
Seniority from December 30, 1964[f]
(12 years, 0 days)
(elected Vice President)
93rd January 3, 1973
December 31, 1974
December 31, 1974
January 3, 1975
Quie
(House)

Seniority from February 8, 1958
(20 years, 329 days)


Al Quie
Seniority from February 8, 1958[d]
(20 years, 329 days)
(elected Minnesota governor)
94th January 3, 1975
December 30, 1976
December 30, 1976
January 3, 1977

Hubert Humphrey[F][AG]
Seniority from January 3, 1971
(7 years, 10 days)
(died)
95th January 3, 1977
January 13, 1978
January 13, 1978
December 29, 1978

Wendell R. Anderson
Seniority from December 30, 1976[f]
(1 year, 364 days)
(resigned)
December 29, 1978
January 3, 1979

David Durenberger
Seniority from November 8, 1978[g]
(16 years, 56 days)
(retired)
96th January 3, 1979
January 3, 1981
Frenzel
(House)

Seniority from January 3, 1971
(20 years, 0 days)


Bill Frenzel
Seniority from January 3, 1971
(20 years, 0 days)
(retired)
97th January 3, 1981
January 3, 1983
98th January 3, 1983
January 3, 1985
99th January 3, 1985
January 3, 1987
100th January 3, 1987
January 3, 1989
101st January 3, 1989
January 3, 1991
102nd January 3, 1991
January 3, 1993
Oberstar
(House)

Seniority from January 3, 1975
(36 years, 0 days)


Jim Oberstar
Seniority from January 3, 1975
(36 years, 0 days)
(lost re-election)
103rd January 3, 1993
January 3, 1995
104th January 3, 1995
January 3, 1997

Paul Wellstone
Seniority from January 3, 1991
(11 years, 295 days)
(died)
105th January 3, 1997
January 3, 1999
106th January 3, 1999
January 3, 2001
107th January 3, 2001
October 25, 2002
October 25, 2002
January 3, 2003

Mark Dayton
Seniority from January 3, 2001
(6 years, 0 days)
(retired)
108th January 3, 2003
January 3, 2005
109th January 3, 2005
January 3, 2007
110th January 3, 2007
January 3, 2009

Norm Coleman
Seniority from January 3, 2003
(6 years, 0 days)
(term expired)[31]
111th January 3, 2009
January 3, 2011

Amy Klobuchar
Seniority from January 3, 2007
(17 years, 324 days)
(Incumbent)
112th January 3, 2011
January 3, 2013
Peterson
(House)

Seniority from January 3, 1991
(30 years, 0 days)


Collin Peterson
Seniority from January 3, 1991
(30 years, 0 days)
(lost re-election)
113th January 3, 2013
January 3, 2015
114th January 3, 2015
January 3, 2017
115th January 3, 2017
January 3, 2019
116th January 3, 2019
January 3, 2021
117th January 3, 2021
January 3, 2023
McCollum
(House)

Seniority from January 3, 2001
(23 years, 324 days)


Betty McCollum
Seniority from January 3, 2001
(23 years, 324 days)
(Incumbent)
118th January 3, 2023
January 3, 2025
119th January 3, 2025
present
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)

Mississippi

[edit]
Senior members of Mississippi's congressional delegation
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean(s)
(Combined seniority
and tenure)
House dean(s)
(Seniority and tenure)
(Cause of departure)
15th December 10, 1817
March 4, 1819

Walter Leake
Seniority from December 10, 1817[s]
(2 years, 157 days)
(resigned)
Poindexter
(House)

Seniority from December 10, 1817[t]
(1 year, 83 days)


George Poindexter[U][T]
Seniority from December 10, 1817
(1 year, 83 days)
(retired)
16th March 4, 1819
May 15, 1820
Leake
(Senate)

Seniority from December 10, 1817
(2 years, 157 days)


Christopher Rankin[AH][U]
Seniority from March 4, 1819
(7 years, 10 days)
(died)
May 15, 1820
March 4, 1821

Thomas Hill Williams[AH]
Seniority from December 10, 1817
(11 years, 83 days)
(retired)
T. Williams
(Senate)

Seniority from December 10, 1817
(11 years, 83 days)

17th March 4, 1821
March 4, 1823
18th March 4, 1823
March 4, 1825
19th March 4, 1825
March 14, 1826
March 14, 1826
July 10, 1826
Vacant
July 10, 1826
March 4, 1827

William Haile[U]
Seniority from July 10, 1826[d][32]
(2 years, 64 days)
(resigned)
20th March 4, 1827
September 12, 1828
September 12, 1828
October 20, 1828
Vacant
October 20, 1828
March 4, 1829

Thomas Hinds[U]
Seniority from October 20, 1828[d][33]
(2 years, 134 days)
(retired)
21st March 4, 1829
March 4, 1831

Powhatan Ellis[I]
Seniority from March 4, 1827
(5 years, 134 days)
(appointed district court judge)
Ellis
(Senate)

Seniority from March 4, 1827
(5 years, 134 days)

22nd March 4, 1831
July 16, 1832

Franklin E. Plummer[AI]
Seniority from March 4, 1831
(3 years, 364 days)
(ran for Senate)
July 16, 1832
March 4, 1833

George Poindexter[AJ][A]
Seniority from October 15, 1830[f]
(4 years, 139 days)
(lost re-election)[34]
Poindexter
(Senate)

Seniority from October 15, 1830
(4 years, 139 days)

23rd March 4, 1833
March 4, 1835
24th March 4, 1835
July 31, 1836

John Black[AK]
Seniority from November 12, 1832[f][u]
(5 years, 71 days)
(resigned)[35]
Black
(Senate)

Seniority from November 12, 1832
(5 years, 71 days)

No clear dean[l][v]
July 31, 1836
March 4, 1837

J. F. H. Claiborne
Seniority from March 4, 1835
(1 year, 364 days)
(re-elected late)
25th March 4, 1837
September 4, 1837
Vacant[w]
September 4, 1837
January 22, 1838
No clear dean[l][x]
January 22, 1838
February 5, 1838

Robert J. Walker
Seniority from March 4, 1835
(10 years, 1 day)
(appointed Secretary of the Treasury)
Walker
(Senate)

Seniority from March 4, 1835
(10 years, 1 day)

February 5, 1838
May 30, 1838
Vacant[y]
May 30, 1838
March 4, 1839
No clear dean[l][z]
26th March 4, 1839
March 4, 1841
27th March 4, 1841
March 4, 1843

Jacob Thompson
Seniority from March 4, 1839
(11 years, 364 days)
(lost re-election)
28th March 4, 1843
March 4, 1845
29th March 4, 1845
March 5, 1845
March 5, 1845
March 4, 1847

Jesse Speight[A]
Seniority from March 4, 1845
(2 years, 58 days)
(died)
J. Thompson
(House)

Seniority from March 4, 1839
(11 years, 364 days)

30th March 4, 1847
May 1, 1847
May 1, 1847
March 4, 1849

Henry S. Foote
Seniority from March 4, 1847
(4 years, 310 days)
(elected Mississippi governor)
31st March 4, 1849
March 4, 1851
32nd March 4, 1851
January 8, 1852
Brown
(House)

Seniority from March 4, 1847[b]
(5 years, 364 days)


Albert G. Brown[C]
Seniority from March 4, 1847
(5 years, 364 days)
(retired)
January 8, 1852
March 17, 1852

John J. McRae
Seniority from December 1, 1851[f]
(107 days)
(successor elected)[36]
March 17, 1852
March 4, 1853

Walker Brooke
Seniority from February 18, 1852[a]
(1 year, 13 days)
(retired)[37]
33rd March 4, 1853
March 4, 1855

Stephen Adams[A]
Seniority from February 19, 1852[a][38]
(5 years, 12 days)
(retired)
Adams
(Senate)

Seniority from February 19, 1852
(5 years, 12 days)

No clear dean[l]
34th March 4, 1855
March 4, 1857
Co-deans:

William Barksdale,
Daniel B. Wright
Seniority from March 4, 1853
(3 years, 364 days)
(Wright retired)
35th March 4, 1857
March 4, 1859

Albert G. Brown[A]
Seniority from January 7, 1854[c]
(7 years, 5 days)
(withdrew)[39]
Barksdale
(House)

Seniority from March 4, 1853
(7 years, 314 days)


William Barksdale
Seniority from March 4, 1853
(7 years, 314 days)
(withdrew)[40]
36th March 4, 1859
January 12, 1861
January 12, 1861
January 21, 1861

Jefferson Davis[I][A]
Seniority from March 4, 1857
(3 years, 323 days)
(withdrew)[41]
Davis
(Senate)

Seniority from March 4, 1857
(3 years, 323 days)

Vacant
(Civil War and
Reconstruction)
January 21, 1861
March 4, 1861
Vacant
(Civil War and
Reconstruction)
None[aa]
37th March 4, 1861
March 4, 1863
38th March 4, 1863
March 4, 1865
39th March 4, 1865
March 4, 1867
40th March 4, 1867
March 4, 1869
41st March 4, 1869
February 23, 1870
February 23, 1870
February 25, 1870

Adelbert Ames
Seniority from February 23, 1870[ab]
(3 years, 321 days)
(elected Mississippi governor)
No clear dean[ac]
February 25, 1870
March 4, 1871
Co-deans:
Ames (Senate)
Barry[ad] (House)

Seniority from February 23, 1870
(3 years, 8 days)

42nd March 4, 1871
March 4, 1873
43rd March 4, 1873
January 10, 1874
Co-deans:
Ames (Senate)
Barry, McKee (House)

Seniority from February 23, 1870
(3 years, 321 days)

Co-deans:

Henry W. Barry,
George C. McKee
Seniority from February 23, 1870[43]
(5 years, 8 days)
(both retired)
January 10, 1874
March 4, 1875

James L. Alcorn
Seniority from December 1, 1871[h]
(5 years, 92 days)
(retired)
Co-deans:
Barry, McKee
(House)

Seniority from February 23, 1870
(5 years, 8 days)

44th March 4, 1875
March 4, 1877
Alcorn
(Senate)

Seniority from December 1, 1871
(5 years, 92 days)


Lucius Q. C. Lamar[C]
Seniority from March 4, 1873[b]
(3 years, 364 days)
(elected to Senate)
45th March 4, 1877
March 4, 1879

Blanche Bruce
Seniority from March 4, 1875
(5 years, 364 days)
(retired)
Lamar
(House and Senate)

Seniority from March 4, 1873
(12 years, 2 days)


Otho R. Singleton[C]
Seniority from March 4, 1875[b]
(11 years, 364 days)
(retired)
46th March 4, 1879
March 4, 1881
47th March 4, 1881
March 4, 1883

Lucius Q. C. Lamar[A]
Seniority from March 4, 1877
(8 years, 2 days)
(appointed Secretary of the Interior)
48th March 4, 1883
March 4, 1885
49th March 4, 1885
March 6, 1885
March 6, 1885
March 4, 1887

James Z. George
Seniority from March 4, 1881
(16 years, 163 days)
(died)
Singleton
(House)

Seniority from March 4, 1875
(11 years, 364 days)

50th March 4, 1887
March 4, 1889
George
(Senate)

Seniority from March 4, 1881
(16 years, 163 days)


John M. Allen
Seniority from March 4, 1885[e]
(5 years, 364 days)
(co-dean after Morgan's retirement)
51st March 4, 1889
March 4, 1891
52nd March 4, 1891
March 4, 1893
Co-deans:

John M. Allen,
Thomas C. Catchings
Seniority from March 4, 1885
(15 years, 364 days)
(both retired)
53rd March 4, 1893
March 4, 1895
54th March 4, 1895
March 4, 1897
55th March 4, 1897
August 14, 1897
August 14, 1897
April 21, 1898

Edward C. Walthall[I]
Seniority from March 4, 1895
(3 years, 48 days)
(died)
Co-deans:
Allen, Catchings
(House)

Seniority from March 4, 1885
(15 years, 364 days)

April 21, 1898
March 4, 1899

Hernando Money[AL][A]
Seniority from October 8, 1897[f]
(13 years, 146 days)
(retired)
56th March 4, 1899
March 4, 1901
57th March 4, 1901
March 4, 1903
J. Williams
(House)

Seniority from March 4, 1893
(15 years, 364 days)


John Sharp Williams[AM]
Seniority from March 4, 1893
(15 years, 364 days)
(retired)[44]
58th March 4, 1903
March 4, 1905
59th March 4, 1905
March 4, 1907
60th March 4, 1907
March 4, 1909
61st March 4, 1909
March 4, 1911
Money
(Senate)

Seniority from October 8, 1897
(13 years, 146 days)


Thomas Spight
Seniority from July 5, 1898[d]
(12 years, 241 days)
(lost renomination)[45]
62nd March 4, 1911
March 4, 1913

LeRoy Percy
Seniority from February 23, 1910[a]
(3 years, 8 days)
(lost nomination to full term)[46]
Candler
(House)

Seniority from March 4, 1901
(19 years, 364 days)


Ezekiel S. Candler Jr.
Seniority from March 4, 1901
(19 years, 364 days)
(lost renomination)[47]
63rd March 4, 1913
March 4, 1915

John Sharp Williams[A]
Seniority from March 4, 1911
(11 years, 364 days)
(retired)
64th March 4, 1915
March 4, 1917
65th March 4, 1917
March 4, 1919
66th March 4, 1919
March 4, 1921
67th March 4, 1921
March 4, 1923
Humphreys
(House)

Seniority from March 4, 1903
(20 years, 226 days)


Benjamin G. Humphreys II
Seniority from March 4, 1903
(20 years, 226 days)
(died)
68th March 4, 1923
October 16, 1923

Pat Harrison[AN][A]
Seniority from March 4, 1919
(22 years, 110 days)
(died)
October 16, 1923
March 4, 1925
Collier
(House)

Seniority from March 4, 1909
(23 years, 364 days)


James W. Collier
Seniority from March 4, 1909
(23 years, 364 days)
(retired)
69th March 4, 1925
March 4, 1927
70th March 4, 1927
March 4, 1929
71st March 4, 1929
March 4, 1931
72nd March 4, 1931
March 4, 1933
73rd March 4, 1933
January 3, 1935
Harrison
(House and Senate)

Seniority from March 4, 1911
(30 years, 110 days)

Co-deans:

Ross A. Collins,
John E. Rankin
Seniority from March 4, 1921
(13 years, 305 days)
(Collins ran for Senate)
74th January 3, 1935
January 3, 1937

John E. Rankin
Seniority from March 4, 1921
(31 years, 305 days)
(lost renomination)[48]
75th January 3, 1937
January 3, 1939
76th January 3, 1939
January 3, 1941
77th January 3, 1941
June 22, 1941
June 22, 1941
January 3, 1943

Theodore G. Bilbo
Seniority from January 3, 1935
(12 years, 230 days)
(died)
Rankin
(House)

Seniority from March 4, 1921
(31 years, 305 days)

78th January 3, 1943
January 3, 1945
79th January 3, 1945
January 3, 1947
80th January 3, 1947
August 21, 1947
August 21, 1947
January 3, 1949

James Eastland[AO][I]
Seniority from January 3, 1943
(35 years, 358 days)
(resigned)[49]
81st January 3, 1949
January 3, 1951
82nd January 3, 1951
January 3, 1953
83rd January 3, 1953
January 3, 1955
Colmer
(House)

Seniority from March 4, 1933
(39 years, 305 days)


William M. Colmer
Seniority from March 4, 1933
(39 years, 305 days)
(retired)
84th January 3, 1955
January 3, 1957
85th January 3, 1957
January 3, 1959
86th January 3, 1959
January 3, 1961
87th January 3, 1961
January 3, 1963
88th January 3, 1963
January 3, 1965
89th January 3, 1965
January 3, 1967
90th January 3, 1967
January 3, 1969
91st January 3, 1969
January 3, 1971
92nd January 3, 1971
January 3, 1973
93rd January 3, 1973
January 3, 1975
Whitten
(House)

Seniority from November 4, 1941
(53 years, 60 days)


Jamie Whitten[AP]
Seniority from November 4, 1941[d]
(53 years, 60 days)
(retired)
94th January 3, 1975
January 3, 1977
95th January 3, 1977
December 27, 1978
December 27, 1978
January 3, 1979

John C. Stennis[AQ]
Seniority from November 5, 1947[g]
(41 years, 59 days)
(retired)
96th January 3, 1979
January 3, 1981
97th January 3, 1981
January 3, 1983
98th January 3, 1983
January 3, 1985
99th January 3, 1985
January 3, 1987
100th January 3, 1987
January 3, 1989
101st January 3, 1989
January 3, 1991

Thad Cochran[A]
Seniority from December 27, 1978[f]
(39 years, 95 days)
(resigned)[50]
102nd January 3, 1991
January 3, 1993
103rd January 3, 1993
January 3, 1995
104th January 3, 1995
January 3, 1997
Montgomery
(House)

Seniority from January 3, 1967
(30 years, 0 days)


Sonny Montgomery
Seniority from January 3, 1967
(30 years, 0 days)
(retired)
105th January 3, 1997
January 3, 1999
Co-deans:
Cochran (House and Senate)
Lott[G] (House and Senate)

Seniority from January 3, 1973
(34 years, 349 days)


Michael Parker
Seniority from January 3, 1989
(10 years, 0 days)
(ran for Mississippi governor)
106th January 3, 1999
January 3, 2001

Gene Taylor
Seniority from October 17, 1989[d]
(21 years, 78 days)
(lost re-election)
107th January 3, 2001
January 3, 2003
108th January 3, 2003
January 3, 2005
109th January 3, 2005
January 3, 2007
110th January 3, 2007
December 18, 2007
December 18, 2007
January 3, 2009
Cochran
(House and Senate)

Seniority from January 3, 1973
(45 years, 88 days)

111th January 3, 2009
January 3, 2011
112th January 3, 2011
January 3, 2013

Bennie Thompson
Seniority from April 13, 1993[d]
(31 years, 223 days)
(Incumbent)
113th January 3, 2013
January 3, 2015
114th January 3, 2015
January 3, 2017
115th January 3, 2017
April 1, 2018
April 1, 2018
January 3, 2019

Roger Wicker[A]
Seniority from December 31, 2007[f]
(16 years, 327 days)
(Incumbent)
B. Thompson
(House)

Seniority from April 13, 1993
(31 years, 223 days)

116th January 3, 2019
January 3, 2021
117th January 3, 2021
January 3, 2023
118th January 3, 2023
January 3, 2025
119th January 3, 2025
present
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean(s)
(Combined seniority
and tenure)
House dean(s)
(Seniority and tenure)
(Cause of departure)

Missouri

[edit]
Senior members of Missouri's congressional delegation (1877–present)
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)
45th March 4, 1877
September 20, 1877

Lewis V. Bogy
Seniority from March 4, 1873
(4 years, 200 days)
(died)
Co-deans:
Bogy (Senate)
Bland (House)

Seniority from March 4, 1873
(4 years, 200 days)


Richard P. Bland
Seniority from March 4, 1873[e]
(9 years, 364 days)
(co-dean after Clark
lost renomination)
September 20, 1877
March 4, 1879

Francis Cockrell
Seniority from March 4, 1875
(29 years, 364 days)
(lost re-election)
Bland
(House)

Seniority from March 4, 1873
(9 years, 364 days)

46th March 4, 1879
March 4, 1881
47th March 4, 1881
March 4, 1883
48th March 4, 1883
March 4, 1885
Co-deans:
Bland, Buckner
(House)

Seniority from March 4, 1873
(11 years, 364 days)

Co-deans:

Richard P. Bland,
Aylett H. Buckner
Seniority from March 4, 1873
(11 years, 364 days)
(Buckner retired)
49th March 4, 1885
March 4, 1887
Bland
(House)

Seniority from March 4, 1873
(21 years, 364 days)


Richard P. Bland[AR]
Seniority from March 4, 1873
(21 years, 364 days)
(lost re-election)
50th March 4, 1887
March 4, 1889
51st March 4, 1889
March 4, 1891
52nd March 4, 1891
March 4, 1893
53rd March 4, 1893
March 4, 1895
54th March 4, 1895
March 4, 1897
Cockrell
(Senate)

Seniority from March 4, 1875
(29 years, 364 days)


Alexander M. Dockery
Seniority from March 4, 1883
(15 years, 364 days)
(ran for Missouri governor)
55th March 4, 1897
March 4, 1899
56th March 4, 1899
March 4, 1901

David A. De Armond
Seniority from March 4, 1891
(18 years, 264 days)
(died)
57th March 4, 1901
March 4, 1903
58th March 4, 1903
March 4, 1905
59th March 4, 1905
March 4, 1907

William J. Stone[A]
Seniority from March 4, 1903
(15 years, 41 days)
(died)
De Armond
(House)

Seniority from March 4, 1891
(18 years, 264 days)

60th March 4, 1907
March 4, 1909
61st March 4, 1909
November 23, 1909
November 23, 1909
March 4, 1911
Bartholdt
(House)

Seniority from March 4, 1893
(21 years, 364 days)


Richard Bartholdt
Seniority from March 4, 1893
(21 years, 364 days)
(retired)
62nd March 4, 1911
March 4, 1913
63rd March 4, 1913
March 4, 1915
64th March 4, 1915
March 4, 1917
Clark
(House)

Seniority from March 4, 1897
(23 years, 363 days)


Champ Clark[AS][C]
Seniority from March 4, 1897
(23 years, 363 days)
(died)
65th March 4, 1917
April 14, 1918
April 14, 1918
March 4, 1919

James A. Reed
Seniority from March 4, 1911
(17 years, 364 days)
(retired)
66th March 4, 1919
March 2, 1921
March 2, 1921
March 4, 1921
Rucker
(House)

Seniority from March 4, 1899
(23 years, 364 days)


William W. Rucker
Seniority from March 4, 1899
(23 years, 364 days)
(lost re-election)[51]
67th March 4, 1921
March 4, 1923
68th March 4, 1923
March 4, 1925
Reed
(Senate)

Seniority from March 4, 1911
(17 years, 364 days)


Leonidas C. Dyer[C]
Seniority from March 4, 1915
(17 years, 364 days)
(lost re-election)
69th March 4, 1925
March 4, 1927
70th March 4, 1927
March 4, 1929
71st March 4, 1929
March 4, 1931

Harry B. Hawes[A]
Seniority from December 6, 1926[g]
(6 years, 59 days)
(resigned)
Dyer
(House)

Seniority from March 4, 1915
(17 years, 364 days)

72nd March 4, 1931
February 3, 1933
February 3, 1933
March 4, 1933

Roscoe C. Patterson[A]
Seniority from March 4, 1929
(5 years, 305 days)
(lost re-election)
73rd March 4, 1933
January 3, 1935
Romjue
(House)

Seniority from March 4, 1923[b]
(19 years, 305 days)


Milton A. Romjue[C]
Seniority from March 4, 1923[ae][b]
(19 years, 305 days)
(lost re-election)
74th January 3, 1935
January 3, 1937

Joel B. Clark
Seniority from February 3, 1933[f]
(11 years, 335 days)
(lost renomination)
75th January 3, 1937
January 3, 1939
76th January 3, 1939
January 3, 1941
77th January 3, 1941
January 3, 1943
78th January 3, 1943
January 3, 1945
Cannon
(House)

Seniority from March 4, 1923
(41 years, 69 days)


Clarence Cannon
Seniority from March 4, 1923
(41 years, 69 days)
(died)
79th January 3, 1945
January 17, 1945

Harry S. Truman
Seniority from January 3, 1935
(10 years, 14 days)
(elected Vice President)
January 17, 1945
January 3, 1947

Forrest C. Donnell
Seniority from January 3, 1945
(6 years, 0 days)
(lost re-election)
80th January 3, 1947
January 3, 1949
81st January 3, 1949
January 3, 1951
82nd January 3, 1951
January 3, 1953

James P. Kem
Seniority from January 3, 1947
(6 years, 0 days)
(lost re-election)
83rd January 3, 1953
January 3, 1955

Thomas C. Hennings[A]
Seniority from January 3, 1951
(9 years, 254 days)
(died)
84th January 3, 1955
January 3, 1957
85th January 3, 1957
January 3, 1959
86th January 3, 1959
September 13, 1960
September 13, 1960
January 3, 1961

Stuart Symington
Seniority from January 3, 1953
(23 years, 359 days)
(resigned)
87th January 3, 1961
January 3, 1963
88th January 3, 1963
May 12, 1964
May 12, 1964
January 3, 1965
Karsten
(House)

Seniority from January 3, 1947
(22 years, 0 days)


Frank M. Karsten
Seniority from January 3, 1947
(22 years, 0 days)
(retired)
89th January 3, 1965
January 3, 1967
90th January 3, 1967
January 3, 1969
91st January 3, 1969
January 3, 1971
Bolling
(House)

Seniority from January 3, 1949
(34 years, 0 days)


Richard W. Bolling
Seniority from January 3, 1949
(34 years, 0 days)
(retired)
92nd January 3, 1971
January 3, 1973
93rd January 3, 1973
January 3, 1975
94th January 3, 1975
December 27, 1976
December 27, 1976
January 3, 1977

Thomas Eagleton
Seniority from December 28, 1968[f]
(18 years, 6 days)
(retired)
95th January 3, 1977
January 3, 1979
96th January 3, 1979
January 3, 1981
97th January 3, 1981
January 3, 1983
98th January 3, 1983
January 3, 1985
Eagleton
(Senate)

Seniority from December 28, 1968
(18 years, 6 days)


Bill Clay
Seniority from January 3, 1969
(32 years, 0 days)
(retired)
99th January 3, 1985
January 3, 1987
100th January 3, 1987
January 3, 1989

John Danforth
Seniority from December 27, 1976[f]
(18 years, 7 days)
(retired)
Clay
(House)

Seniority from January 3, 1969
(32 years, 0 days)

101st January 3, 1989
January 3, 1991
102nd January 3, 1991
January 3, 1993
103rd January 3, 1993
January 3, 1995
104th January 3, 1995
January 3, 1997

Kit Bond
Seniority from January 3, 1987
(24 years, 0 days)
(retired)
105th January 3, 1997
January 3, 1999
106th January 3, 1999
January 3, 2001
107th January 3, 2001
January 3, 2003
Co-deans:
Gephardt, Skelton
(House)

Seniority from January 3, 1977
(28 years, 0 days)

Co-deans:

Dick Gephardt,[AT]
Ike Skelton
Seniority from January 3, 1977
(28 years, 0 days)
(Gephardt retired)[52]
108th January 3, 2003
January 3, 2005
109th January 3, 2005
January 3, 2007
Skelton
(House)

Seniority from January 3, 1977
(34 years, 0 days)


Ike Skelton
Seniority from January 3, 1977
(34 years, 0 days)
(lost re-election)
110th January 3, 2007
January 3, 2009
111th January 3, 2009
January 3, 2011
112th January 3, 2011
January 3, 2013

Claire McCaskill
Seniority from January 3, 2007
(12 years, 0 days)
(lost re-election)
Emerson
(House)

Seniority from November 5, 1996
(16 years, 78 days)


Jo Ann Emerson
Seniority from November 5, 1996[d]
(16 years, 78 days)
(resigned)
113th January 3, 2013
January 22, 2013
January 22, 2013
January 3, 2015
Blunt
(House and Senate)

Seniority from January 3, 1997
(26 years, 0 days)

Co-deans:

Lacy Clay (D),
Sam Graves (R)
Seniority from January 3, 2001
(20 years, 0 days)
(Clay lost renomination)
114th January 3, 2015
January 3, 2017
115th January 3, 2017
January 3, 2019
116th January 3, 2019
January 3, 2021

Roy Blunt[A]
Seniority from January 3, 2011
(12 years, 0 days)
(retired)
117th January 3, 2021
January 3, 2023

Sam Graves
Seniority from January 3, 2001
(23 years, 324 days)
(Incumbent)
118th January 3, 2023
January 3, 2025

Josh Hawley
Seniority from January 3, 2019
(5 years, 324 days)
(Incumbent)
Graves
(House)

Seniority from January 3, 2001
(23 years, 324 days)

119th January 3, 2025
present
Congress Dates Senior senator
(Seniority and tenure)
(Cause of departure)
Delegation dean
(Combined seniority
and tenure)
House dean
(Seniority and tenure)
(Cause of departure)

References

[edit]
  1. ^ a b c d e "Chapter 7 § 2. Seniority and Derivative Rights". Deschler's Precedents, Volume 2 (PDF). U.S. Government Publishing Office. January 1, 1994. p. 670. Retrieved November 5, 2023.
  2. ^ "ROCKWELL, Julius (1805 – 1888)". Biographical Directory of the United States Congress. Retrieved March 5, 2024.
  3. ^ "MANN, Horace (1796 – 1859)". Biographical Directory of the United States Congress. Retrieved March 5, 2024.
  4. ^ "DE WITT, Alexander (1798 – 1879)". Biographical Directory of the United States Congress. Retrieved March 5, 2024.
  5. ^ "RICE, William Whitney (1826 – 1896)". Biographical Directory of the United States Congress. Retrieved March 5, 2024.
  6. ^ "LYON, Lucius (1800 – 1851)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  7. ^ "CASS, Lewis (1782 – 1866)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  8. ^ "MCCLELLAND, Robert (1807 – 1880)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  9. ^ "BINGHAM, Kinsley Scott (1808 – 1861)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  10. ^ "HOWARD, William Alanson (1813 – 1880)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  11. ^ "WALDRON, Henry (1819 – 1880)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  12. ^ "BEAMAN, Fernando Cortez (1814 – 1882)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  13. ^ "BLAIR, Austin (1818 – 1894)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  14. ^ a b "CONGER, Omar Dwight (1818 – 1898)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  15. ^ "HORR, Roswell Gilbert (1830 – 1896)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  16. ^ "PALMER, Thomas Witherell (1830 – 1913)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  17. ^ "CUTCHEON, Byron M. (1836 – 1908)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  18. ^ "CORLISS, John Blaisdell (1851 – 1929)". Biographical Directory of the United States Congress. Retrieved September 8, 2024.
  19. ^ "BURROWS, Julius Caesar (1837 – 1915)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  20. ^ "BISHOP, Roswell Peter (1843 – 1920)". Biographical Directory of the United States Congress. Retrieved September 8, 2024.
  21. ^ "SMITH, Samuel William (1852 – 1931)". Biographical Directory of the United States Congress. Retrieved September 8, 2024.
  22. ^ "SMITH, William Alden (1859 – 1932)". Biographical Directory of the United States Congress. Retrieved September 7, 2024.
  23. ^ "HAMILTON, Edward La Rue (1857 – 1923)". Biographical Directory of the United States Congress. Retrieved September 8, 2024.
  24. ^ "SHIELDS, James (1806 – 1879)". Biographical Directory of the United States Congress. Retrieved June 23, 2024.
  25. ^ "CAVANAUGH, James Michael (1823 – 1879)". Biographical Directory of the United States Congress. Retrieved September 15, 2024.
  26. ^ "WILKINSON, Morton Smith (1819 – 1894)". Biographical Directory of the United States Congress. Retrieved June 23, 2024.
  27. ^ "HALL, Osee Matson (1847 – 1914)". Biographical Directory of the United States Congress. Retrieved June 24, 2024.
  28. ^ "FLETCHER, Loren (1833 – 1919)". Biographical Directory of the United States Congress. Retrieved June 24, 2024.
  29. ^ "MCCLEARY, James Thompson (1853 – 1924)". Biographical Directory of the United States Congress. Retrieved June 24, 2024.
  30. ^ "TAWNEY, James Albertus (1855 – 1919)". Biographical Directory of the United States Congress. Retrieved June 24, 2024.
  31. ^ Walsh, Paul (January 20, 2009). "Term expired, Minnesota-based Coleman wishes Obama well". Star Tribune. Retrieved June 24, 2024.
  32. ^ "HAILE, William (ca. 1797 – 1837)". Biographical Directory of the United States Congress. Retrieved November 12, 2023.
  33. ^ "HINDS, Thomas (1780 – 1840)". Biographical Directory of the United States Congress. Retrieved November 12, 2023.
  34. ^ "POINDEXTER, George (ca. 1779 – 1853)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  35. ^ "BLACK, John (1800 – 1854)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  36. ^ "MCRAE, John Jones (1815 – 1868)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  37. ^ "BROOKE, Walker (1813 – 1869)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  38. ^ "ADAMS, Stephen (1807 – 1857)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  39. ^ "BROWN, Albert Gallatin (1813 – 1880)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  40. ^ "BARKSDALE, William (1821 – 1863)". Biographical Directory of the United States Congress. Retrieved September 16, 2024.
  41. ^ "DAVIS, Jefferson (1808 – 1889)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  42. ^ "REVELS, Hiram Rhodes (1827 – 1901)". Biographical Directory of the United States Congress. Retrieved November 12, 2023.
  43. ^ "BARRY, Henry W. (ca. 1840 – 1875)". Biographical Directory of the United States Congress. Retrieved November 13, 2023.
  44. ^ "WILLIAMS, John Sharp (1854 – 1932)". Biographical Directory of the United States Congress. Retrieved September 16, 2024.
  45. ^ "SPIGHT, Thomas (1841 – 1924)". Biographical Directory of the United States Congress. Retrieved September 16, 2024.
  46. ^ "PERCY, Le Roy (1860 – 1929)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  47. ^ "CANDLER, Ezekiel Samuel, Jr. (1862 – 1944)". Biographical Directory of the United States Congress. Retrieved September 16, 2024.
  48. ^ "RANKIN, John Elliott (1882 – 1960)". Biographical Directory of the United States Congress. Retrieved September 16, 2024.
  49. ^ "EASTLAND, James Oliver (1904 – 1986)". Biographical Directory of the United States Congress. Retrieved September 14, 2024.
  50. ^ Everett, Burgess (March 5, 2018). "Cochran resigns effective April 1". Politico. Retrieved September 14, 2024.
  51. ^ "RUCKER, William Waller (1855 – 1936)". Biographical Directory of the United States Congress. Retrieved March 30, 2024.
  52. ^ "Honorable Richard Gephardt". Gephardt Group. Retrieved September 6, 2024.

Footnotes (positional)

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  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am Senator who previously served in the House of Representatives
  2. ^ Anti-Jacksonian from 1829 to 1835; Anti-Masonic from 1835 to 1837
  3. ^ a b c d e f g h i j k l m Previously served non-consecutive term(s) in the House
  4. ^ National Republican from 1835 to 1837
  5. ^ Dean of the House from 1844 to 1848
  6. ^ a b c d Second time; previously served non-consecutive term(s) in the Senate
  7. ^ a b c d as junior senator
  8. ^ Speaker of the House from 1847 to 1849
  9. ^ a b c d e f g Previously served non-consecutive term(s) in the Senate
  10. ^ Dean of the Senate from 1869 to 1874
  11. ^ Free Soiler from 1853 to 1857; Republican from 1857 to 1873; Liberal Republican from 1873 to 1874
  12. ^ Speaker of the House from 1856 to 1857
  13. ^ Dean of the House from 1869 to 1875
  14. ^ Second time; previously served non-consecutive term(s) in the House
  15. ^ Various positions:
  16. ^ Various positions:
  17. ^ House Republican Leader from 1939 to 1959; Speaker of the House from 1947 to 1949, 1953 to 1955
  18. ^ Speaker of the House and House Democratic Leader from 1962 to 1971
  19. ^ Speaker of the House and House Democratic Leader from 1977 to 1987
  20. ^ a b c d e Former non-voting delegate to the House of Representatives
  21. ^ a b c d e f Sole representative (at-large district)
  22. ^ Representative who previously served as a senator
  23. ^ President pro tempore from December 4 to December 5, 1854
  24. ^ President pro tempore from June 9 to June 10, 1856
  25. ^ Dean of the Senate from 1874 to 1875
  26. ^ President pro tempore from 1875 to 1879
  27. ^ President pro tempore from 1947 to 1949
  28. ^ House Republican Leader from 1965 to 1973
  29. ^ Dean of the House from 1995 to 2015
  30. ^ Dean of the House from 2015 to 2017
  31. ^ a b Second time
  32. ^ Elected as Farmer-Labor until 1941
  33. ^ Former Vice President (ex officio President of the Senate)
  34. ^ a b Elected as Democratic-Republican until 1825
  35. ^ Sole representative (at-large district) until reapportionment in 1832–33 House elections
  36. ^ President pro tempore from June to November 1834
  37. ^ Elected as National Republican until 1837
  38. ^ Senate Democratic Leader from 1909 to 1911
  39. ^ House Democratic Leader from 1903 to 1909
  40. ^ President pro tempore from January to June 1941
  41. ^ Various positions:
  42. ^ Dean of the House from 1979 to 1995
  43. ^ Dean of the Senate from 1981 to 1989; President pro tempore from 1987 to 1989
  44. ^ Dean of the House from 1890 to 1895
  45. ^ House Democratic Leader from 1909 to 1921; Speaker of the House from 1911 to 1919
  46. ^ House Democratic Leader from 1995 to 2003

Footnotes (seniority)

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  1. ^ a b c d e f g h i j Senator elected by state legislature intra-term prior to ratification of Seventeenth Amendment; seniority calculated from election date (if different from date the seat was filled)
  2. ^ a b c d e f g h i j k l Shares seniority date with other officeholder(s); credited as sole dean by past non-consecutive terms in Congress
  3. ^ a b c d Elected late
  4. ^ a b c d e f g h i j k l m n o p Representative elected to fill vacancy; seniority calculated from date of special election (if different from date the seat was filled)[1] Cite error: The named reference "housevacancy" was defined multiple times with different content (see the help page).
  5. ^ a b c d e f g h i j k Shares seniority date with more than two other Representatives (thus unable to count as co-deans); credited as sole dean due to surname coming first alphabetically
  6. ^ a b c d e f g h i j k l m n o p q Senator appointed to fill intra-term vacancy; seniority calculated from date of appointment
  7. ^ a b c d e f g Senator elected to fill intra-term vacancy after ratification of the Seventeenth Amendment; seniority calculated from date the individual assumed office
  8. ^ a b Seated late by virtue of holding other political, governmental, or judicial office
  9. ^ Seniority over John Norvell due to tenure as delegate to the House of Representatives from Michigan Territory
  10. ^ Seniority over John Norvell and Isaac E. Crary due to tenure as delegate to the House of Representatives from Michigan Territory
  11. ^ John Norvell and Isaac E. Crary share a seniority date of January 26, 1837; Norvell's tenure as a shadow senator from Michigan Territory did not count as congressional service.
  12. ^ a b c d e f g Preceding elections involved turnover of all sitting incumbents; incoming officeholders share a seniority date with no distinguishing aspects
  13. ^ William A. Howard shared seniority with George Washington Peck (until March 4, 1857), David S. Walbridge, and Henry Waldron (until March 4, 1859)
  14. ^ Seniority over Henry M. Rice due to past service as a senator from Illinois
  15. ^ Shields had seniority over James M. Cavanaugh due to his service as a senator from Illinois from 1849 to 1855. Cavanaugh served as a non-voting delegate to the House of Representatives from Montana, which is inferior in seniority to Shields's service.
  16. ^ Seniority over William Wallace Phelps due to past service as delegate to the House of Representatives from Montana Territory
  17. ^ William Windom shared seniority with Cyrus Aldrich until March 4, 1863
  18. ^ Morton S. Wilkinson and Eugene M. Wilson shared seniority until March 3, 1871; Mark H. Dunnell shared seniority with John T. Averill until March 4, 1875
  19. ^ Seniority over Thomas Hill Williams due to surname coming first alphabetically
  20. ^ Seniority over Walter Leake and Thomas Hill Williams due to tenure as delegate to the House of Representatives from Mississippi Territory
  21. ^ De jure; break in term from March 4 to November 22, 1833 due to state legislature's failure to elect
  22. ^ Mississippi's at-large congressional district gained second seat in 1833; J. F. H. Claiborne shared seniority with David C. Dickson until July 31, 1836
  23. ^ Elections contested; Claiborne and Samuel J. Gholson not seated until September 4, 1837
  24. ^ Claiborne shared seniority with Gholson until seats declared vacant on February 5, 1838
  25. ^ Elections contested; Thomas J. Word and Seargent Smith Prentiss not seated until May 30, 1838
  26. ^ Word and Prentiss shared seniority until retiring on March 3, 1839; Albert G. Brown and Jacob Thompson shared seniority until Brown's retirement on March 3, 1841
  27. ^ Mississippi's congressional delegation was readmitted and sworn in on February 23, 1870; all had equal seniority until Hiram R. Revels was sworn in as a senator on February 25.
  28. ^ Seniority over Hiram R. Revels; Revels was sworn in on February 25 after the Senate resolved a challenge to his credentials[42]
  29. ^ All newly-seated post-Civil War officeholders share seniority date of February 23, 1870
  30. ^ Seniority only in relation to Adelbert Ames; no House dean until 1873
  31. ^ Served more prior non-consecutive terms (two) than Jacob L. Milligan (one partial)

Bibliography

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